
from __future__ import print_function, division

#%matplotlib inline

import thinkdsp
import thinkplot

import numpy as np

from ipywidgets import interact, interactive, fixed
import ipywidgets as widgets
from IPython.display import display

class TestOne():
    def __init__(self):
        self.done = 0

    def test_one(self):
        cos_sig = thinkdsp.CosSignal(freq=440, amp=1.0, offset=0)
        # sin_sig = thinkdsp.SinSignal(freq=880, amp=0.5, offset=0)

        print("Start here")
        cos_sig.plot()
        thinkplot.config(xlabel='times(s)')
        thinkplot.show()
